Rough Times for Arizona Copper Mining
Low prices, layoffs, mandated upgrades, union negotiations are among issues.
Navajo Farmers Lose Irrigation after Mine Waste Spill
Tribal authority has shut down supply for the rest of this season.
Mine Waste Not Expected to Affect Arizona Water Supply
3 million gallons of contamination dumped into waterway that eventually reaches Colorado River.
Opposition Mounts to Proposed Resolution Copper Mine
Critics of the mine arrive in Washington DC after cross-country trek
Report: Colorado River Most Endangered River in US
Three human-caused sources listed as dangerous for river that flows through Arizona.
METRO WEEK: Gem Shows Big Contributors to Economy, UA Research
$120 million economic impact, international research collaboration opportunities from big winter event.
State Issues Its OKs on Rosemont Water Quality
Decision now moves to federal level - Forest Service and Army Corps of Engineers.
Supply-Demand Driving Arizona Turquoise Prices
Change in mining regulations abd techniques, growth of Chinese middle class putting pressure on availability.
Orange Sludge Spill from Abandoned Mines Threatening Patagonia Lake
Local environmental officials say Asarco's cleanup efforts not good enough, cite company.
Mexican Copper Mine Contamination Spills Into San Pedro River
Authorities in northern Mexico issue a binational alert over mine water leakage in creeks, streams.
